850138808222 has 16 divisors (see below), whose sum is σ = 1439106447600. Its totient is φ = 373101671040.

The previous prime is 850138808191. The next prime is 850138808291. The reversal of 850138808222 is 222808831058.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666252347 + ... + 666253622.

It is an arithmetic number, because the mean of its divisors is an integer number (89944152975).

Almost surely, 2^850138808222 is an apocalyptic number.

850138808222 is a deficient number, since it is larger than the sum of its proper divisors (588967639378).

850138808222 is a wasteful number, since it uses less digits than its factorization.

850138808222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332506011.

The product of its (nonzero) digits is 491520, while the sum is 47.

The spelling of 850138808222 in words is "eight hundred fifty billion, one hundred thirty-eight million, eight hundred eight thousand, two hundred twenty-two".